Window seal



July 5, 1927.

A. C. ENOCHS WI NDOW S EAL Filed NOV. 16, 1923 WINVE'NTORI A TTORNEYS WITNESSES Patented July 5, 1927.

PATENT OFFICE.

ANDREW carnas ruvocns, or. OKLAHOMA CITY, OKLAHOMA. f

' .wmnow SEAL.

Application filed November 16, 1923.1 Serial No. 675,186.

My inventionrelates to improvements in window seals and consists 1n the comblnations, constructions andarrangements herein described and claimed. I

An object of the invention is to provide a simple, reliable and easily applied attachment for windows of ordinary construction which will afiord facilities forholding the meeting rails of the upper and lower sashes of a window in close abutting relatio to each other and the side members of the sashes in close contact with the common vertical parting strip of the window frame when the window is closed, thus preventing the entrance of cold air,;d ust, rain or the like between the meeting rails of the window sashesand between the window sashes and the window frame without there being any necessity of making use of the usual weather strips.

Another object of the invention is to provide a window seal of the character described which will not in any way interfere with the free sliding movement of the window sashes when such sashes are moved from closed to open position.

A further object of the invention is to provide a window seal of the characterdescribed which may be quickly applied without the use of any special tools and which is thoroughly practical commercially.

Other objects and advantages will be apparent from the following descriptiomconsidered in conjunction with the accompanying drawings, in which Figure 1 is a vertical section through a window frame and through the sashes therein, showing the invention applied, and

Figure 2 is a fragmentary perspectlve view, showing a portion of the structure exhibited in Figure 1, and

Figure 3 is a fragmentary front elevation of the window frame, also showing a portion of the structure exhibited in Figure 1.

Referring now to the drawings, I show in Figure 1 a window frame 1 which is conven Cooperative upper.

tional in construction. and lower sashes 2 and 3 respectively are adapted to slide vertically in the frame in juxtaposed guide-ways 4t and 5 respectively, as is usual. The guideway at is defined by an outer vertical guide strip 6 and a vertical parting strip 7 while the guideway 5 is defined by the parting strip 7 and the inner vertical guide strip 8. The bottom rail of the upper sash and the top rail of the lower sash have their confronting faces cooperatively beveled or lnchned.

As is well known, the guideways in which the sashes slide ordinarily are slightly wider than the portions of the sash frame which slide'therein and in consequence air, dust, rain or the like will be admitted between the sashes and between the sashes and the adjacent frame members unless weather strips or the like are used to make the window weather proof. Ordinarily, felt or metal weather strips are employed but such devices are somewhat expensive, sometimes difficult to apply and tend to prevent the free sliding movement of the sashes in theirguideways.

The device embodying the invention. comprises sets of two. cooperativemembers, one of which .is a roller 9 having a peripheral groove 10.- The other member of each-set is a cam plate 11 having an elongated inclined cam projection 12 thereonand preferably integral therewith for engaging the peripheral groove of the roller. The cam projection 11 preferably extends on the cam plate 10 along one edge of the latter and has the outer or roller engaging edge thereof merged at one end into the outer face of the cam projection and spaced from the cam plate at its other end.. The roller of each set is mounted on a fixed frame member of the window while the cam plate cooperating therewith is attached to one of the window sashes. This mounting of the roller may be accomplished through the means of a horizontally disposed screw 13.. The cam platell cooperating witheach roller is attached by screws 14 to one of the siderails of one of the sashes 2 and 3, the cooperative roller and cam plate being relatively disposed so that the cam 12 will be in sliding engagement with the groove 10 of the roller.

From the foregoing description of the various partsof the device, the operation thereof may be readily apparent. When the invention is applied to a window having 00- operative vertically slidable upper and lower sashes such as those indicated at 2 and 3, I prefer to make use of four sets of the cooperative rollers and cam plates. The rollers of two of the sets are supported on the outer or blind stop strips 6 at a distance from the upper end of the window frame approximately equal to half the length of the upper sash. The cam plates cooperating. with these two rollers respectively are attached to the side membe s or stiles of the upper sash lll' "the sash while the other against the outer faces thereof with the cams 12 engaged with the grooves of the roller so that the upper sash will be forced bodily against the parting strip 7 when the upper sash has been moved to closed position but will be permitted to slide freely in the guideway l toward open position. In other words, the portion of the cams 12 of each of the two cam plates just mentioned which engages with the grooved peripheral wall of one of the rollers 9 is located farther from the face of the plate at its lower end than at its upper end, preferably being merged into the outer "face of the plate at its upper end.

The remaining two sets of cooperative members are associated with the lower sash and with the inner vertical strips 8, the

foregoing that one or the plates 11 of the two sets associated with'each sash is adapted for attaclmient to the ri ht hand stiles or plate is adapted for attachment to the left hand stiles of the sash but that the plates otherwise are identical in construction.

With the arrangement just described, the

meeting horizontal rails of the two sashes will be held in close abutting relatlon to each other as indicated at 15 when the sashes are in closed position and at this time the stiles of each sash will'also beheld in close engagement with the parting strips 7 whereby the window will be practically weather proof, and the passage of dust and cold air between the sashes or between the sashes and the frame from the outside to the inside is prevented. Since the sashes are forced toward the parting-strips 7 only when they approach closed position, it will be manifest that the sashes may be slid from closed to open position as freely as though my invention was not in use on the window.

Obviously, my invention is susceptible of wit hin the scope -of the appended claim.

Having thus described the invention, what I claim is:

The combination with a window frame and the cooperative vertically sliding upper and lower sashes therein, ot a pair ot'cam plates respectively supported on the outer faces of the stiles ot the upper sash and each having a downwardly inclined outwardly extending cam projection thereon, a pair of similar cam plates respectively supported on the inner faces of the stiles of the lower window sash, each of said second named cam plates having an upwardly inclined projection thereon, a peripherally grooved roller for each of said cam plates, two oi said rollers being'rotatably supported on the outer or blind strips of the window frame in position to engage with the cams of said first named plates when the upper sash is moved to a closed position and to thus force said upper sash inward, the remaining rollers being rotatably supported on the inner vertical guide strips of the window frame in posit-ion to engage with the 'cams of the second named plates when the lower sash is moved to closed position and to then force the lower sash outward;

ANDREW CAPERS ENOGHS. 

